more piano tuning questions (re: JI, Johnston)

Hello everyone-In view of the recent discussion of piano tuning, I thought I
might elicit some feedback onthe (admittedly controversial) idea of just piano
tunings-Does anyone has any observations from experience on just piano tunings,
in particular BenJohnston's pieces which use piano? I heard a live performance
of the "Suite for microtonal piano" at last year's Microfest, and it struck me
as very effective - ratios of 7 & 11 seemed quite well characterised &
consonant. How does this relate to or interact with the inharmonic aspects of
the piano, and to what degree can a just tuning be satisfactorily realised on
piano?I guess I was pretty convinced by the Johnston piece that it can be
effective, but I still hesitate to compose for just piano myself (I don't have
an instrument to experiment on myself at the moment). Can I just assume that at
least a passable impression of just will be created,despite octave stretching,
or are there other factors to consider? Etc. etc. etc.Any feedback will be
appreciated...ThanksChris

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Just tunings can be represented fairly well on the piano. Listen to
LaMonte Young's _The Well-Tuned Piano_. You'll want to use the usual
stretching curves, after which, the smaller intervals (those not
exceeding a fifth or octave) will behave pretty much as they do in JI
(some beating will be inevitable, though).